These entries are queried from radb.net using whois, you can try my project getting these.
:AS32883 route: 184.171.224.0/20 descr: Proxy registration to prevent harm from ARIN-NONAUTH shutdown origin: AS32883 mnt-by: MAINT-AS7034 changed: kennethfinnegan2007 [at] gmail.com 20220404 source: ALTDB rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 184.171.224.0/20 origin: AS32883 descr: PO Box 525 Macomb IL 61455 United States admin-c: KLI21-ARIN tech-c: KLI21-ARIN mnt-by: MNT-LOGON-1 created: 2023-01-31T10:42:50Z last-modified: 2023-01-31T10:42:50Z source: ARIN rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source